1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="UTF-8">
5 <title>innerHTML示例</title>
6 </head>
7 <body>
8 <span id="spanId">哈哈呵呵</span>
9 <script type="text/javascript">
10 var span = document.getElementById("spanId");
11 document.write("<br />原始值:" + span.innerHTML);
12 span.innerHTML = "<h1>Hello World!</h1>";
13 document.write("<br />修改后:" + span.innerHTML);
14 </script>
15 </body>
16 </html>
时间： 2024-10-12 17:56:17